Encyclopedia of Opening Blunders – Learn to play chess by learning the opening mistakes and traps that have been discovered over time. The program designed for studying the blunders in more than 40 openings and contains over 1250 instructive exercises of varying difficulty from practical games. Be ready to trap and avoid being trapped with the Encyclopedia of Opening Blunders!

The program allows you to:

Study the theoretical material and test your knowledge
See changes in your rating
Keep track of your progress
Play against computer starting with a set position
Print exercises